View Compilation Error

0_0_34750625_12679.cpp:2:2: error: expected unqualified-id before 'for'
  for(int i = pos;i < len;i++)
  ^
0_0_34750625_12679.cpp:2:18: error: 'i' does not name a type
  for(int i = pos;i < len;i++)
                  ^
0_0_34750625_12679.cpp:2:26: error: 'i' does not name a type
  for(int i = pos;i < len;i++)
                          ^